var rotator = require('./rotator') var tests = [ [0, 0, +0] , [0, 90, -90] , [0, 180, -180] , [0, 270, +90] , [90, 0, +90] , [90, 90, +0] , [90, 180, -90] , [90, 270, +180] , [180, 0, +180] , [180, 90, +90] , [180, 180, +0] , [180, 270, -90] , [270, 0, -90] , [270, 90, -180] , [270, 180, +90] , [270, 270, +0] , [360, 0, +0] , [360, 90, -90] , [360, 180, -180] , [360, 270, +90] , [-90, 0, -90] , [-90, 90, -180] , [-90, 180, +90] , [-90, 270, 0] , [-180, 0, +180] , [-180, 90, +90] , [-180, 180, +0] , [-180, 270, -90] , [-270, 0, +90] , [-270, 90, 0] , [-270, 180, -90] , [-270, 270, +180] , [720, 0, +0] , [720, 90, -90] , [720, 180, -180] , [720, 270, +90] , [450, 0, +90] , [450, 90, +0] , [450, 180, -90] , [450, 270, +180] , [540, 0, +180] , [540, 90, +90] , [540, 180, +0] , [540, 270, -90] , [630, 0, -90] , [630, 90, -180] , [630, 180, +90] , [630, 270, +0] ] tests.forEach(function(values) { var msg = values[0] + ' -> ' + values[1] + ' should be ' + values[2] if (rotator(values[0], values[1]) === values[2]) { console.log('pass: ' + msg) } else { console.error('FAIL: ' + msg) } })